Fix invitation email subject

config/accounts.js

@@ -53,9 +53,13 @@ if (Meteor.isServer) {
   }
 
   ['resetPassword-subject', 'resetPassword-text', 'verifyEmail-subject', 'verifyEmail-text', 'enrollAccount-subject', 'enrollAccount-text'].forEach((str) => {
-    const words = str.split('-');
-    Accounts.emailTemplates[words[0]][words[1]] = (user, url) => {
-      return TAPi18n.__(`email-${str}`, { user: user.getName(), url }, user.getLanguage());
+    const [templateName, field] = str.split('-');
+    Accounts.emailTemplates[templateName][field] = (user, url) => {
+      return TAPi18n.__(`email-${str}`, {
+        url,
+        user: user.getName(),
+        siteName: Accounts.emailTemplates.siteName,
+      }, user.getLanguage());
     };
   });
 }

i18n/en.i18n.json

@@ -126,17 +126,17 @@
     "editLabelPopup-title": "Change Label",
     "editProfilePopup-title": "Edit Profile",
     "email": "Email",
-    "email-enrollAccount-subject": "An account created for you on __url__",
+    "email-enrollAccount-subject": "An account created for you on __siteName__",
     "email-enrollAccount-text": "Hello __user__,\n\nTo start using the service, simply click the link below.\n\n__url__\n\nThanks.\n",
     "email-fail": "Sending email failed",
     "email-invalid": "Invalid email",
     "email-invite": "Invite via Email",
     "email-invite-subject": "__inviter__ sent you an invitation",
     "email-invite-text": "Dear __user__,\n\n__inviter__ invites you to join board \"__board__\" for collaborations.\n\nPlease follow the link below:\n\n__url__\n\nThanks.\n",
-    "email-resetPassword-subject": "Reset your password on __url__",
+    "email-resetPassword-subject": "Reset your password on __siteName__",
     "email-resetPassword-text": "Hello __user__,\n\nTo reset your password, simply click the link below.\n\n__url__\n\nThanks.\n",
     "email-sent": "Email sent",
-    "email-verifyEmail-subject": "Verify your email address on __url__",
+    "email-verifyEmail-subject": "Verify your email address on __siteName__",
     "email-verifyEmail-text": "Hello __user__,\n\nTo verify your account email, simply click the link below.\n\n__url__\n\nThanks.\n",
     "error-board-doesNotExist": "This board does not exist",
     "error-board-notAdmin": "You need to be admin of this board to do that",